/Engine/Source/Runtime/HeadMountedDisplay/Public/IXRTrackingSystem.h
Platform Agnostic Query about HMD details
virtual void GetHMDData ( [UObject](API\Runtime\CoreUObject\UObject\UObject) * WorldContext, [FXRHMDData](API\Runtime\HeadMountedDisplay\FXRHMDData) & HMDData )